Pool water tester



FIG. 1 is a right front exploded perspective view of a pool water testershowing our new design with the cover raised;

FIG. 2 is a rear elevational view of FIG. 1 with the cover in a closedposition;

FIG. 3 is a right side elevational view of FIG. 2;

FIG. 4 is a bottom plan view of FIG. 2;

FIG. 5 is a right front perspective view of FIG. 1 with the cover in theclosed position.

The ornamental design for a pool water tester, as shown and described.